"You'll find out that you don't have any experience points..." Yurika, a super sensitive older sister who cums from the first time the timer is activated, is in agony so desperately that she almost loses consciousness, for an hour of continuous climax! ! A timer electric massager series in which a penis-shaped attachment is inserted into an electric massager, fixed in place, shackled, and continues to provide random stimulation non-stop - a bonus video of ``electric massager masturbation immediately after the challenge (wearing an ultra-thin leotard)'' is also included.